| 208, Knella Road, Welwyn Garden City | Freehold | 66 m² | £345,000 (2020) |
| 210 Knella Road, Welwyn Garden City | - | 65 m² | - |
| 214 Knella Road, Welwyn Garden City | Freehold | 92 m² | £457,500 (2024) |
| 216, Knella Road, Welwyn Garden City | Freehold | 68 m² | £250,000 (2014) |
| 216A, Knella Road, Welwyn Garden City | Freehold | 71 m² | £330,000 (2020) |
| 218 Knella Road, Welwyn Garden City, Welwyn Garden City | Freehold | 91 m² | £360,000 (2020) |
| 220 Knella Road, Welwyn Garden City | - | 93 m² | - |
| 222 Knella Road, Welwyn Garden City | - | 68 m² | - |
| 224, Knella Road, Welwyn Garden City | - | 83 m² | - |
| 226 Knella Road, Welwyn Garden City | - | 81 m² | - |
| 228, Knella Road, Welwyn Garden City | Freehold | 70 m² | £150,000 (2009) |
| 230, Knella Road, Welwyn Garden City | Freehold | 83 m² | £311,000 (2018) |
| 232 Knella Road, Welwyn Garden City | - | 85 m² | - |
| 234 Knella Road, Welwyn Garden City | - | 81 m² | - |
| 238 Knella Road, Welwyn Garden City | - | 81 m² | - |
| 242, Knella Road, Welwyn Garden City | Freehold | 80 m² | £425,000 (2024) |
| 244 Knella Road, Welwyn Garden City | - | 76 m² | - |
| 248, Knella Road, Welwyn Garden City | Freehold | 77 m² | £325,000 (2020) |
| 250, Knella Road, Welwyn Garden City | - | 70 m² | - |
| 256 Knella Road, Welwyn Garden City, Welwyn Garden City | Freehold | 83 m² | £449,000 (2021) |
| 270 Knella Road, Welwyn Garden City | - | 82 m² | - |
| 272, Knella Road, Welwyn Garden City | Freehold | 92 m² | £388,000 (2021) |
| 274 Knella Road, Welwyn Garden City | - | 81 m² | - |
| 278, Knella Road, Welwyn Garden City | Freehold | 83 m² | £340,000 (2020) |
